Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915940 | Tip-up device with adjustable sensitivity | Raymond N. Gross | 1999-06-29 |
| 4579336 | Spherical rolling cage for recreation and entertainment | — | 1986-04-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915940 | Tip-up device with adjustable sensitivity | Raymond N. Gross | 1999-06-29 |
| 4579336 | Spherical rolling cage for recreation and entertainment | — | 1986-04-01 |